Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 13472 — Thendara, NY

ZIP code 13472 (Thendara, Herkimer County) is in USDA zone 4a: the coldest winter night averages −30 to −25 °F. The median last spring frost is May 18 and the first fall frost September 30.

Where ZIP 13472 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone4a−30 to −25 °F

Coldest night−34.4 to −31.7 °C

Last frostMay 18

First frostSep 30

2012 zone3b

Was 3b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 4a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Thendara, NY…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Thendara, NY

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostMay 18median — 50% chance of a later frost

Safe for tender plantsJune 1only 10% chance of frost after

First fall frostSeptember 30median — 10% chance by Sep 18

Growing season134 daysfrost-free, median

A hard freeze (28 °F) usually ends around May 5 and returns around October 10.

From the NOAA station Old Forge, NY — 4 miles away, elevation 1,749 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 13472

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Apr 6 – Apr 20

SpinachSow outdoors · Apr 6 – Apr 27

Broccoli, cabbageStart indoors · Mar 9 – Mar 23

Broccoli, cabbageTransplant · Apr 27 – May 11

Onion setsPlant outdoors · Apr 20 – May 4

PotatoesPlant outdoors · Apr 27 – May 11

LettuceSow outdoors · Apr 20 – May 4

Carrots, beetsSow outdoors · Apr 27 – May 11

TomatoesStart indoors · Mar 23 – Apr 6

TomatoesTransplant · May 25 – Jun 8

Peppers, eggplantStart indoors · Mar 9 – Mar 23

Peppers, eggplantTransplant · Jun 1 – Jun 15

BeansSow outdoors · May 25 – Jun 8

Sweet cornSow outdoors · May 25 – Jun 8

Cucumbers, squashSow outdoors · May 25 – Jun 8

Fall lettuce, spinachSow outdoors · Aug 5 – Aug 19

GarlicPlant cloves · Sep 16 – Oct 21

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (May 18) and first fall frost (Sep 30) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 13472 came on Apr 16 — 11 days earlier than the 1991–2020 average (Apr 27).

average
Apr 272026
Apr 16

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 4a in New York

452 plants native to the lower 48 states, recorded in New York, and rated by the USDA to survive −30 °F or colder — the bottom of zone 4a. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Thendara, NY.

Soil in Thendara, NY

The soil mapped at the center of ZIP 13472 is Tunbridge — slightly decomposed plant material, well drained.

TextureSlightly decomposed plant materialtop layer

pH4.3strongly acidic; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter75%high

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Tunbridge-Lyman complex, 35 to 60 percent slopes, very rocky, very bouldery.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 13472; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Thendara, NY

Summer high75 °Faverage high, July

Winter low6 °Faverage low, January

Hot days1days a year at 90 °F or more

Freezing nights183nights a year at 32 °F or less

Growing degree days1,673base 50 °F — the season’s usable heat

Longest day15 h 27 mindaylight on June 21

Shortest day8 h 55 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation49.8 inper year, rain and melted snow

Snowfall158 inper year

Average high and low, by month

Precipitation by month inches · ❄ = snowfall

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Old Forge, NY (4 mi away); precipitation: Old Forge, NY (4 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

6 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

134204a

Old Forge, NY · 4 mi

133124b

Brantingham, NY · 7 mi

133314a

Eagle Bay, NY · 9 mi

134334b

Port Leyden, NY · 11 mi

134944b

Woodgate, NY · 12 mi

133384b

Forestport, NY · 12 mi

133434b

Glenfield, NY · 13 mi

133454b

Greig, NY · 13 mi

New York planting zones →

Questions about 13472

What planting zone is ZIP code 13472?

ZIP code 13472 (Thendara, NY) is in USDA hardiness zone 4a on the 2023 map: the coldest night of an average winter reaches −30 to −25 °F (−34.4 to −31.7 °C).

When is the last frost in Thendara, NY?

The median last spring frost (32 °F) near 13472 is May 18; after June 1 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Old Forge station.

When is the first frost in Thendara, NY?

The median first fall frost near 13472 is September 30, giving a median frost-free growing season of 134 days.

When should I plant tomatoes in 13472?

Start tomato seeds indoors around Mar 23 – Apr 6 and set transplants outside around May 25 – Jun 8, one to three weeks after the median last frost.

How much rain and snow does 13472 get?

About 49.8 inches of precipitation a year and 158 inches of snowfall (NOAA 1991–2020 normals, Old Forge station).

How hot do summers get in Thendara, NY?

The average high peaks at 75 °F in July, with about 1 days a year at 90 °F or more.

What kind of soil does 13472 have?

The USDA soil survey maps Tunbridge at the center of ZIP 13472: slightly decomposed plant material, well drained, pH about 4.3 (strongly acidic).

Did spring come early in Thendara, NY in 2026?

Spring leaf-out near 13472 came on Apr 16 in 2026, 11 days earlier than the 1991–2020 average (Apr 27), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Thendara, NY?

Long-day onions: the longest day near 13472 is 15 h 27 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 13472 change?

Yes. The 2012 USDA map put 13472 in zone 3b; the 2023 map puts it in zone 4a. The newer map uses 1991–2020 data and more weather stations.